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2. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   A drawback is the installation cost, which can be slightly higher than traditional HVAC systems. Energy efficiency can be improved even more in central heating systems by introducing zoned heating. This allows a more granular application of heat, similar to non-central heating systems. Zones are controlled by multiple thermostats.

3. Furnace (central heating) - Wikipedia

   en.wikipedia.org/wiki/Furnace_(central_heating)

   The fourth category of furnace is the high-efficiency condensing gas furnace. High efficiency condensing gas furnaces typically achieve between 90% and 98% AFUE. [3] A condensing gas furnace includes a sealed combustion area, combustion draft inducer and a secondary heat exchanger. The primary gain in efficiency for a condensing gas furnace, as ...

4. Heating system - Wikipedia

   en.wikipedia.org/wiki/Heating_system

   Central heating systems: These systems produce heat in one central location and distribute it throughout the building. This category includes furnaces, boilers, and heat pumps. [1] [2] Distributed heating systems: These systems generate heat in the space they are to heat, without extensive duct systems. Examples include electric space heaters ...

5. Ohio House OKs ratepayer-funded energy efficiency plan ... - AOL

   www.aol.com/ohio-house-oks-ratepayer-funded...

   Jessie Balmert is a reporter for the USA TODAY Network Ohio Bureau, which serves the Columbus Dispatch, Cincinnati Enquirer, Akron Beacon Journal and 18 other affiliated news organizations across ...

6. Smart Columbus - Wikipedia

   en.wikipedia.org/wiki/Smart_Columbus

   Smart Columbus is an innovation organization in Columbus, Ohio. The initiative is led by the City of Columbus and the Columbus Partnership, a nonprofit organization for development in Central Ohio. Smart Columbus was founded in 2016 to utilize $50 million in grant awards toward technology, transportation, and environmental developments. [1]

7. Today’s NYT ‘Strands’ Hints, Spangram and Answers ... - AOL

   www.aol.com/today-nyt-strands-hints-spangram...

   We'll cover exactly how to play Strands, hints for today's spangram and all of the answers for Strands #287 on Sunday, December 15. Related: 16 Games Like Wordle To Give You Your Word Game Fix ...